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Briefs: Mechanical & Fluid Systems
Ultrasonic/sonic impacting penetrators (USIPs) are recent additions to the series of apparatuses based on ultrasonic/sonic drill corers (USDCs). A USIP enables a rod probe to penetrate packed soil or...
Briefs: Mechanical & Fluid Systems
The figure depicts the main parts of a prototype miniature, lightweight, one-time- opening valve. Like some other miniature one-time-opening valves reported in previous issues of NASA Tech Briefs,...
Briefs: Information Technology
Supplier Management System
Supplier Management System (SMS) allows for a consistent, agency-wide performance rating system for suppliers used by NASA. This version (2.0) combines separate databases into one central database that allows for the sharing of supplier data. Information extracted from the NBS/Oracle database can be used to generate...
Briefs: Information Technology
Improved CLARAty Functional-Layer/Decision-Layer Interface
Improved interface software for communication between the CLARAty Decision and Functional layers has been developed. [The Coupled Layer Architecture for Robotics Autonomy (CLARAty) was described in "Coupled-Layer Robotics Architecture for Autonomy" (NPO-21218), NASA Tech Briefs, Vol. 26,...
Briefs: Information Technology
JAVA Stereo Display Toolkit
This toolkit provides a common interface for displaying graphical user interface (GUI) components in stereo using either specialized stereo display hardware (e.g., liquid crystal shutter or polarized glasses) or anaglyph display (red/blue glasses) on standard workstation displays. An application using this toolkit will...
Briefs: Physical Sciences
Remote-Sensing Time Series Analysis, a Vegetation Monitoring Tool
The Time Series Product Tool (TSPT) is software, developed in MATLAB®, which creates and displays high signal-to-noise Vegetation Indices imagery and other higher-level products derived from remotely sensed data. This tool enables automated, rapid, large-scale regional surveillance...
Briefs: Information Technology
PyPele Rewritten To Use MPI
A computer program known as "PyPele," originally written as a Python-language extension module of a C++ language program, has been rewritten in pure Python language. The original version of PyPele dispatches and coordinates parallel- processing tasks on cluster computers and provides a conceptual framework for...
Briefs: Physical Sciences
Data Assimilation Cycling for Weather Analysis
This software package runs the atmospheric model MM5 in data assimilation cycling mode to produce an optimized weather analysis, including the ability to insert or adjust a hurricane vortex. The program runs MM5 through a cycle of short forecasts every three hours where the vortex is adjusted to match...
Briefs: Medical
A method of promoting healing of injured or diseased neurons involves pharmacological activation of the STAT3 alpha protein. Usually, injured or diseased neurons heal incompletely or not...
Briefs: Medical
The hydrocyclone- filtration extractor (HFE), now undergoing development, is a simple, robust apparatus for processing large amounts of soil to extract trace amounts of microorganisms,...
Briefs: Physical Sciences
Frequency-analyzed laser-light scattering (FALLS) is a relatively simple technique that can be used to measure principal characteristics of a sheet of sprayed liquid as it breaks up into...
Briefs: Mechanical & Fluid Systems
The figure depicts selected aspects of a six-degree-of-freedom (6-DOF) stage for mechanical adjustment of an optical component. The six degrees of freedom are translations along the Cartesian axes (x,...
Briefs: Physical Sciences
The uncertainty in the frequency of a linear- ion-trap frequency standard (LITS) can be reduced substantially by use of a very small magnetic inhomogeneity tailored to compensate for...
Briefs: Physical Sciences
The Wing and Rotor Aeroelastic Test System (WRATS) data acquisition system (DAS) is a 64-channel data acquisition display and analysis system specifically designed for use with the WRATS 1/5-scale V-22...
Briefs: Electronics & Computers
A recently developed breadboard version of an advanced signal processor for arraying many antennas in NASA's Deep Space Network (DSN) can accept inputs in a 500-MHz-wide frequency band from...
Briefs: Electronics & Computers
The software of a commercially available digital radio receiver has been modified to make the receiver function as a two-channel low-noise phase meter. This phase meter is a prototype in the continuing development...
Briefs: Semiconductors & ICs
A split-block waveguide circuit that rotates polarization by 90° has been designed with WR-3 input and output waveguides, which are rectangular waveguides used for a nominal...
Briefs: Electronics & Computers
Nano- multiplication- region avalanche photodiodes (NAPDs), and imaging arrays of NAPDs integrated with complementary metal oxide/semiconductor (CMOS) active-pixel-sensor integrated...
Briefs: Electronics & Computers
Bombardment with tightly focused electron beams has been suggested as a means of electrically disabling selected individual carbon-nanotubes (CNTs) in electronic devices. Evidence in...
Briefs: Electronics & Computers
Coupling of light into and out of whispering- gallery-mode (WGM) optical resonators can be enhanced by designing and fabricating the resonators to have certain non- axisymmetric shapes...
Briefs: Manufacturing & Prototyping
G3 Genuine Guide Gear (G3) of North Vancouver, British Columbia, Canada, is a specialized manufacturer of backcountry ski and safety equipment — including telemark bindings and...
Briefs: Materials
LiCoPO4 has been found to be a promising active cathode material for high-energy-density, thin-film, rechargeable electrochemical power cells. The potential of the charge/discharge plateau of a...
Briefs: Materials
Work output is comparable to conventional SMA alloys but with transition temperatures significantly exceeding those of conventional materials.
Compositions and production processes have been...
Briefs: Mechanical & Fluid Systems
Two methods of solving indeterminate structural-mechanics problems have been developed as products of research on the theory of strain compatibility. In these methods, stresses are considered...
Briefs: Mechanical & Fluid Systems
Motor/generators based on conical magnetic bearings have been invented as an improved alternative to prior such machines based, variously, on radial and/or axial magnetic bearings. Both the present and prior...
Briefs: Medical
A nanotube array based on vertically aligned nanotubes or carbon nanofibers has been invented for use in localized electrical stimulation and recording of electrical responses in...
Briefs: Medical
Using Hyperspectral Imagery To Identify Turfgrass Stresses
The use of a form of remote sensing to aid in the management of large turfgrass fields (e.g. golf courses) has been proposed. A turfgrass field of interest would be surveyed in sunlight by use of an airborne hyperspectral imaging system, then the raw observational data would be preprocessed...
Briefs: RF & Microwave Electronics
A directional, catheter-sized cylindrical antenna has been developed for localized delivery of microwave radiation for heating (and thus killing) diseased tissue without excessively...
Briefs: Physical Sciences
A method of shaping diffraction-grating grooves to optimize the spectral efficiency, spectral range, and image quality of a spectral imaging instrument is under development. The method...
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